OPERATING INSTRUCTIONS RH 400

Inspection and servicing

Venting the fuel system

The fuel tanks are vented with breather valves (3, Fig. 3-47:).

Clean breather valves regularly.

Remove breather valve, flush with paraffin oil and blow clean with compressed air.

Cleaning the fuel tanks

Explosion hazard. Read and observe the "Inspection and servicing. Safety instructions" chapter.

Do not use white spirit, paraffin oil or other solvents.

For flushing and cleaning use diesel fuel. Avoid skin contact.

Skin contact with diesel fuel may cause skin injury. Wear firm working clothing.

Wear protective gloves or use a barrier ccream.

Fuel must be prevented from penetrating into the soil. Keep fuel for re-use or discard without polluting the environment.

Use up as much fuel as possible.

Check how much fuel remains in the tank and place a collecting recipient of sufficient size under the drain plugs of the tanks.

Loosen drain plug (5, Fig. 3-48:) at fuel the tank and drain off fuel.

Flush tank with diesel fuel.

Screw automatic drain plug backs (5) in place.